Publications by authors named "Nika N Kamneva"

Article Synopsis
  • This article explores the stability of fullerene colloids in methyl alcohol, focusing on how electrolytes affect coagulation.
  • The experiments involved creating alcosols with a fullerene concentration of 4 × 10 M and examining their properties, showing aggregates of about 300 nm with a negative electrokinetic potential.
  • Findings indicate that while 1:1 electrolytes like NaClO have negatively charged colloidal species, certain metal ions can cause a temporary positive charge, demonstrating the complex interactions in these systems.
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It is of common knowledge that fullerenes form colloids in polar solvents. However, the coagulation via electrolytes and the origin of the negative charge of species are still unexplored. Using a 'radical scavenger' and electrospray ionization spectroscopy (ESI), we proved the formation of ion-radical C60˙(-) and its (probable) transformation into C60(2-) or (C60)2(2-).

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